재활용 산화철 및 알루미늄 분말을 활용한 철도레일 이음용 테르밋 분말 개발

Title
재활용 산화철 및 알루미늄 분말을 활용한 철도레일 이음용 테르밋 분말 개발
Other Titles
Development of Thermite Powder for Rail Joining with Recycled Iron Oxide and Aluminium Powder
Author(s)
백응률최상규[최상규]박성상
Keywords
Thermite; Thermite powder; Rail welding; Recyclabe aluminium; Thermite; Thermite powder; Rail welding; Recyclabe aluminium
Issue Date
201210
Publisher
대한용접접합학회
Citation
대한용접접합학회지, v.30, no.5, pp.40 - 45
Abstract
Nowadays in Republic of Korea, whole amount of the thermite welding powder for rail joinning is dependent on import. However the demand of the thermite welding powder would be enlarge because some constructing high-speed train and city metro projects are currently in progress. In addition this is the main reason why we should develop the thermite welding powder, domestically. This study is focused on utilizing the recyclable materials like Al powders from cans and iron oxide scales from wire rods as the main components of the thermite welding powder. By minimizing Al content in weld zone by controlling the mixing ratio of the Al powder in the thermite welding powder, the excessive dissolution of the Si and Mn components came from the Al powders could be controled. The tensile strength of welding zone in welded rail was 740 MPa, with that the developed thermite welding powder.
URI
http://hdl.handle.net/YU.REPOSITORY/27055
ISSN
1225-6153
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공과대학 > 신소재공학부 > Articles
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